package ooday01;

public class StudentTest2 {
    public static void main(String[] args) {
        Student wwl = new Student();
        Student wsf = new Student("王绍峰",25);
        Student ly = new Student("李延",24,"jsd2302","006");
        wwl.sayHi();
        wsf.sayHi();
        ly.sayHi();
    }
}
